Are you trying to find cat antioxidant supplements among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling cat antioxidant supplements on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 29 hours of research and did 40 cat antioxidant supplements tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best cat antioxidant supplements you can buy today
- ✅ BETTER QUALITY OF LIFE. Are you concerned about your pet's quality of life? Outward signs of discomfort, anxiety, and stress can have a devastating impact on our pet family. We're here to help.
- ✅ IMMUNE SUPPORT. Vet-strength herbal formula supports your cat's immune system and overall health and vitality. It really is GOLD when your pet's quality of life has been compromised.
- ✅ PROTECTION. Life Gold herbal ingredients provide antioxidant support that help protect your cat from oxidative stress due to free-radical damage. Ongoing damage to healthy cells can impair immune function and make your pet more vulnerable to chronic conditions.
- ✅ DETOXIFICATION. Carefully selected herbal ingredients gently support your cat's channels of elimination including bowel, lymphatics, and lungs to help maintain healthy removal of waste byproducts.
- ✅ VETERINARIAN-FORMULATED. MADE IN USA. MONEY-BACK GUARANTEE. TRUSTED CARE SINCE 2001. Developed by our caring, in-house holistic veterinarians with your pet's health and wellbeing in mind. All of our vet-created supplements are manufactured in the USA in FDA-registered, GMP-certified facilities. Made with only the highest quality ingredients and tested for purity.
- ResveraCat is specially Formulated for Cats: Our Resveratrol Powder supplement is specially designed for Felines to support their overall health and well-being.
- Natural Antioxidant Support: Resveratrol acts as a natural antioxidant, helping to neutralize free radicals and support your cat's immune system.
- ResveraCat WORKS AT THE CELLULAR LEVEL TO IMPROVE PERFORMANCE to help your cat reach its full potential.
- Quality Ingredients: We use high-quality, cat safe ingredients to ensure the best possible results for your pet. A combination of Trans Resveratrol, Argentine Grass Fed & Finished Beef Liver, Cracked Cell Chlorella, Taurine, and MSM. No other ingredients.
- Delicious and Easy to Administer: Cats love it! Our supplement comes in a tasty powder form, making it easy to add to their daily routine. Just sprinkle over any wet or dry food. Best used by: November 2024
- Supports immune system function and performance in dogs, cats and birds
- DMG is an adaptogen that helps the body cope with various forms of stress
- DMG supports performance by enhancing circulation, efficient oxygen utilization, and muscle recovery
- DMG supports stamina through its ability to lower lactic acid build-up
- ADVANCED IMMUNE SUPPORT FOR CATS: Fuel your pet with the nutrients she needs to stay healthy and boost her immune system with cat health supplements that feature antioxidants and much-needed nutrients and amino acids to stay active.
- HELP STRENGTHEN CAT IMMUNITY: Give your furry friend the immune boost she needs with these health supplements for cats that are infused with veterinarian-approved ingredients such as amino acids and L-Lysine.
- PET EYE HEALTH SUPPLEMENT: A healthy immune system and eye health is essential for cats of any age. Ensure your furry friend remains active with healthy vision with these pet health supplements that help support normal inflammatory response and cat eye health.
- VETERINARIAN-FORMULATED CAT SUPPLEMENTS: Rich in antioxidants and amino acids, these immune support cat supplements feature a veterinarian formula that is formulated with vitamins and nutrients to help give your kitten or senior cat an immune boost.
- PET PRODUCTS YOU CAN TRUST: Since 1994, NaturVet has been serving the four-legged community with wholesome, vitamin-infused dog and cat supplements so that your pup or kitten maintains a healthy lifestyle. Made in the USA, each pet product from NaturVet is cGMP compliant and wheat-free.
- L-Lysine supplement for cats; supports normal eye function, respiratory health, strong immune system
- Helps manage common feline health issues; sneezing, runny nose, squinting and watery, inflamed eyes
- One to two scoops daily provides support for the immune and respiratory system for kittens and cats
- Our vet-quality L-Lysine powder provides immune support for respiratory issues for as long as needed
- Cats love our tasty, palatable fish-flavored powder; easy to dose and administer, simply add to food
- Plus Antioxidants
- For use in cats over the age of 12 weeks
- Provides a source of natural antioxidants to support a normal immune system
- Omegas, DHA and EPA help to maintain proper skin moisture and respiratory health
- For animal use only. Keep out of reach of children and animals
- Naturally Support Your Cat’s Health — CATalyst is a cat antioxidant supplement that provides health benefits derived from natural enzymes. CATalyst antioxidant enzyme formula for cats helps support immune, joint, and digestive health while caring for their skin and fur in a simple liquid supplement that can be added to their daily food
- Enzymes Are the Cat-alysts of Digestion — CATalyst is made with the cat digestive enzyme needed to break down food and support digestive health. Unlike CATalyst, few other digestive enzymes for cats feature the absorbent form of Superoxide Dismutase (SOD), made from natural plant extracts. SOD is the body's powerful defense against free radicals and the inflammatory reactions they cause, making CATalyst the choice enzymes for cats
- Help Your Cat Stay Agile — CATalyst is the joint supplement for cats that can help get the most out of their nine lives. Help provide cat arthritis and joint support pain relief and help improve hip and joint health for cats. Whether you have a young kitten or a cat in their senior years, their mobility is key to a healthy and happy life
- Fortify Your Feline — Optimize your furry friend’s health and wellness with this cat immune support and cat digestive support supplement. Give them a boost with an enzyme and antioxidant rich formula that provides the live nutrition they need. Feline CATalyst liquid digestive enzymes help by strengthening their immune response for a longer, happier life
- An Easy Addition to Their Diet — We all know that trying to feed a cat joint supplement treats or cat vitamins and supplements can be a difficult (and even dangerous) task. Worry no more! CATalyst comes in an easy-to-use liquid form. Just add the recommended dose of pancreatic enzyme supplements cats love to their daily meals and help them reach their full potential
- Nusentia's full spectrum liquid feline multivitamin: Spectrin for Cats : Best Value per Ounce! Includes antioxidants, vitamins, minerals, and key nutrients for vibrant skin, coat, and allergy support. Great for excessive shedding and allergies in cats.
- Easy dosing: Liquid cat vitamins absorb faster and cats love it!
- Up to 96 doses per container
- Made in the USA : Certified GMP : All Natural : Effective : Quality Tested
- Ideal for cats and kittens of all ages and stages.
- All-In-One Dog Supplement - Multivitamins are important to maintain balanced health. Like humans, dogs or cats also need a complete and balanced diet to meet their nutritional needs. This ultimate pet nutrition powder for older dogs and cats can help keep your four-legged family members healthy and protected from various health problems
- Aging Support for Older Pets - As dogs or cats age, their bodies start to deteriorate. Our dog vitamin & mineral powder packs a big nutritional punch to deliver antioxidant support to your senior pets. This nutritional supplement helps improve their bone health, boost their energy and optimizes their mental function
- Comprehensive Antioxidant for Senior Cats and Dogs – Our experts ensure that this dog nutritional supplement provides complete wellness support to your beloved pet. This supplement combines Ginkgo Biloba Extract, Reishi Mushroom Extract, Beef Liver Hydrolysate, Chromium Picolinate, Calcium Citrate, Selenium, and Vitamin D3 to help improve your pet's bone, brain, and liver health. It’s a strong antioxidant that helps reduce free-radical activity in your pet’s body
- Vet Recommended – Lexelium’s antioxidant supplement contains all vitamins, minerals and antioxidants necessary to keep your pet dog or cat healthy. Every ingredient we use in our dog supplement has medical evidence to improve your pet’s liver, bone, brain and kidney health. That's why vets around the world recommend our product. This supplement is also multi-pet convenient, making it equally effective for cats, dogs and farm animals
- Made in the USA - Lexelium aims to provide high-quality powder for dogs and cats by choosing 100% naturally sourced ingredients in the USA. Our powder supplements for cats & dogs mix well with wet and dry food resulting in better long-term health for your older pet. Choose our premium antioxidant supplement because your pet deserves the best
- A comprehensive formula designed to support liver function, detoxification, fat metabolism, bile production and methylation reactions
- Gluta-Syn Whey Protein Isolate supports the production of glutathione and detoxification of the liver
- Taurine is an essential amino acid for the cat and is required for normal bile acid metabolism
- Vetri Liver Feline features 15 synergistic ingredients to support fat metabolism, antioxidant protection, glutathione and SAMe production, and methylation pathways, and both phases of normal liver detoxification
- Key ingredients include B vitamins, vitamin E, folic acid, and glutathione support Phase I detoxification, which helps neutralize unwanted chemicals by converting toxins into less harmful substances
- Immune Boost to Fight Diseases for Cats: Recommended cat supplements & vitamins for growing, adult, and senior cats Immune Support aids in supporting your cat’s innate immune system in its daily fight against diseases
- Biologically Appropriate, Natural Ingredients: Made with biologically appropriate, high quality, natural ingredients such as Beta Glucan, Lactoferrin, Colostrum, Zinc, Coenzyme Q-10, and Bifidobacterium
- Proactive Nutritional Support: This unique formula provides support for optimum immune health, cellular protection, and rapid immune response
- Veterinarian Developed and Recommended: Developed by Dr. Bill Barnett and reflecting his proactive approach towards keeping animals healthy and extending their lives, these supplements have been used and recommended by veterinarians, breeders, and trainers for over 30 years
- Made in the USA | All Dr. Bill’s Supplements are made in the United States and are regulated by the NASC (National Animal Supplement Council)
- Quick, Easy, Flavorful Daily Whole Food Skin, Allergy and Immune Support Supplement For Cats. Mixes easily with canned food or just add water for instant hydrating snack.
- 30 DAY SUPPLY. Each Daily Serving Provides Skin, Allergy and Immune Support for cats of all ages.
- NURTURES THE SKIN. Salmon is one of the best sources of omega 3 fatty acids, which are proven to promote healthy skin and shiny coat.
- AIDS DIGESTION. Yogurt supplies the probiotics that help cats digest food, absorb nutrients, and boost immunity.
- SUPPORTS IMMUNITY. Fruits containing natural antioxidant properties help control allergic reactions in cats.
- HUMAN GRADE. Made in our own Human Grade Facility. FDA registered. Third Party Certified BRC, AA rated. Made to Human Edible Standards - GMP 21CRF117.
- Age range description: all life stages
- Number 1 veterinarian-recommended cat probiotic brand to support digestive health (Kantar Veterinary Tracker, 2021), making it an excellent cat supplement
- Purina Pro Plan Sensitive stomach cat food supplement for the dietary management of kittens and adult cats with cat diarrhea
- Digestive Care Cat Food supplement containing probiotics proven to promote intestinal health and balance
- FortiFlora cat vitamins and supplements have antioxidants to support a robust immune system and contain antioxidants for cats
- Easy-to-feed probiotic powder
- Whole Food Antioxidant: Nourish your dog or cat with the power of whole food antioxidants. Cranimals VeryBerry Powder is a natural supplement bursting with the goodness of cranberries, red raspberries, and blueberries. Elevate your pet's health the natural way.
- Berry Bliss: The trio of cranberries, red raspberries, and blueberries packs a punch of potent antioxidants. These superfoods help combat free radicals and support your pet's overall well-being. It's the ultimate berry blend for vitality.
- Easy Integration: Cranimals makes it simple to enhance your pet's diet. Just sprinkle this antioxidant-rich powder on your pet's kibble or wet food. It's a convenient and delicious way to give them the nutrition they deserve.
- Vibrant Health: Your pet deserves to live life to the fullest. Cranimals VeryBerry Powder can help with that. From immune support to promoting healthy aging, these antioxidants are a natural boost for your beloved companion.
- Natural Goodness: No artificial additives, no fillers – just pure, natural goodness. Choose Cranimals for your pet's daily antioxidant intake and watch them thrive with every tasty meal. It's nature's gift for your furry friend.
- Support You "CRAN" Believe In! – Zesty Paws Cranberry Bladder Bites are supplements with antioxidants, D-Mannose, healthy bacteria, and other ingredients that support your cat when nature calls.
- Made with InCRANable – These chewables contain a premium form of Cranberry Concentrate to provide kidney, urinary tract, and antioxidant support for cats of all ages, breeds, and sizes.
- Featuring DE111 – This chewable supplement contains DE111, which is a clinically studied Bacillus subtilis that supports gut health and immune system function for your feline pet
- Yummy Flavor, Pawsome Support – Each chew comes in a bacon flavor your feline will love, while also providing urinary tract support for male and female cats - big or small!
- Urinary Tract Support & Then Some! - These chews include D-Mannose to help maintain normal urinary tract function, while Vitamin B6 provides additional immune system support for pets
- A Texture And Taste Cats Love: Pet Honesty’s Senior Joint Health is a delicious supplement that helps relieve stiffness and maintain mobility in your cat’s joints, so they can keep purring, playing, and pouncing! Powerful wholesome ingredients are packed inside a unique texture format that’s crunchy on the outside and creamy on the inside, offering a taste and texture combination that cats love.
- Help Ease Joint Stiffness And Maintain Joint Mobility : These easy-to-give chews contain key functional ingredients to help maintain joint mobility, ease joint stiffness, and offer support for cats with occasional joint discomfort. Plus, with a taste and texture 9/10 cats love, giving them a chew is a simple way to help them feel more comfortable and active again!
- Made With Natural & Other Premium Ingredients Like Glucosamine, Green Lipped Mussel, And Calcium Fructoborate: Senior Joint Health chews are filled with health-supporting ingredients you can trust. Glucosamine can help reduce joint discomfort and plays an important role in making the essential building blocks of the body’s joints, including ligaments, tendons, cartilage, and synovial fluid. Green Lipped Mussels contain Omega-3s and antioxidants to support joint mobility. Calcium Fructoborate helps occasional joint stiffness and discomfort. And they’re all in a delicious chicken flavored chew your cat will love!
- Pet Honesty Pledge: A taste your pet will love and results you can trust. Made with the most effective natural and premium ingredients. Formulated without corn, wheat, or soy. No artificial preservatives, colors, or flavors.
- Made in the U.S.A. | NASC member company: All Pet Honesty products are made in the US with US and globally sourced ingredients and are produced in a GMP-compliant facility that meets the highest safety standards so you can rest assured you're giving your pet the best quality product possible! Pet Honesty is also a NASC member company meaning it’s met the highest quality and compliance standards for pet supplements.
- ❤️Daily Chicken Liver Flavor L-Lysine supplement for cats helps support a strong immune system and eye & respiratory health
- ❤️L-LYSINE FOR CATS ALL AGES SUPPLEMENT POWDER - L-Lysine hydrochloride..........900mg & N,N-Dimethylglycine HCl (DMG).......... 50 mg per scoop, natural Chicken Liver Flavor for picky eaters
- ❤️Helps manage common feline health issues such as sneezing, runny nose and watery, inflamed eyes
- ❤️Lysine powder for cats & kittens provides specially-formulated immune support for as long as needed
- ❤️Cats love the highly-palatable CHICKEN FLAVOR; simple to dose and easy to administer
- ❤️Trulysine Plus products are veterinarian formulated and manufactured in the USA and contains no wheat, corn or artificial ingredients
- A Texture and Taste Cats Love: Pet Honesty’s Multivitamin for cats is a delicious supplement that contains essential vitamins, minerals, and nutrients to support your cat’s overall health. Powerful, wholesome ingredients are packed inside a unique texture format: crunchy on the outside and creamy on the inside, offering a taste and texture combination that cats love.
- Help Support Overall Health & Immune Function: These easy-to-give chews contain key functional ingredients to support overall immune, heart, joint, skin, and gut health. Plus, with a taste and texture 4/5 cats love*, giving them a chew is a simple way to ensure your cat is getting a well-rounded variety of important nutrients added to their diet. *Based on a 2022 feeding study
- Made with Natural & Other Premium Ingredients Like Lysine, Beta Glucan, and Omega-3s: Multivitamin chews are filled with health-supporting ingredients you can trust. Lysine, an essential amino acid, supports immune and respiratory health. Beta Glucan, a premium prebiotic, supports gut and digestive health. Omega-3s, fatty acids from fish oil, flaxseed, and green-lipped mussels, promote skin, coat, and joint health. All in a delicious chicken-flavored chew your cat will love!
- Pet Honesty Pledge: A taste your pet will love and results you can trust. Made with the most effective natural and premium ingredients. Formulated without corn, wheat, or soy. No artificial preservatives, colors, or flavors.
- Manufactured in the U.S.A. | NASC Member Company: All Pet Honesty products are made in the US with US and globally sourced ingredients and are produced in a GMP-compliant facility that meets the highest safety standards, so you can rest assured you're giving your pet the best quality product possible! Pet Honesty is also a NASC member company, meaning it has met the highest quality and compliance standards for pet supplements.
- A Texture and Taste Cats Love: Pet Honesty’s Immune Health Lysine is a delicious supplement that contains amino acids, prebiotics, antioxidants, and more to support your cat’s immune and respiratory health. Powerful, wholesome ingredients are packed inside a unique texture format: crunchy on the outside and creamy on the inside, offering a taste and texture combination that cats love.
- Help Promote a Strong Immune and Respiratory System: These easy-to-give chews contain key functional ingredients to support immune and respiratory health, as well as gut, digestion, skin, and overall health. Plus, with a taste and texture 4/5 cats love*, giving them a chew is a simple way to help boost their health and help them feel their best. *Based on a 2022 feeding study
- Made with Natural & Other Premium Ingredients Like Lysine, Colostrum, and Quercetin: Immune Health Lysine chews are filled with health-supporting ingredients you can trust. Lysine, an essential amino acid, supports immune and respiratory health. Colostrum is rich in antibodies that help support the immune system and gut health. Quercetin has antioxidant properties that promote a normal inflammatory response. All in a delicious chicken-flavored chew your cat will love!
- Pet Honesty Pledge: A taste your pet will love and results you can trust. Made with the most effective natural and premium ingredients. Formulated without corn, wheat, or soy. No artificial preservatives, colors, or flavors.
- Manufactured in the U.S.A. | NASC Member Company: All Pet Honesty products are made in the US with US and globally sourced ingredients and are produced in a GMP-compliant facility that meets the highest safety standards, so you can rest assured you're giving your pet the best quality product possible! Pet Honesty is also a NASC member company, meaning it has met the highest quality and compliance standards for pet supplements.
How to choose a good cat antioxidant supplements
Does the idea of finding a fantastic cat antioxidant supplements make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in cat antioxidant supplements. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top cat antioxidant supplements products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top cat antioxidant supplements on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top cat antioxidant supplements brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top cat antioxidant supplements based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the cat antioxidant supplements were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good cat antioxidant supplements, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your cat antioxidant supplements.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting cat antioxidant supplements for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our cat antioxidant supplements. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what cat antioxidant supplements should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on cat antioxidant supplements.
